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Restructuring Costs - Restructuring and Related Costs (Details) - USD ($)	3 Months Ended		6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019
Restructuring And Related Activities [Abstract]
Personnel related costs	$ 0	$ 0	$ 5,076,000	$ 0
Asset impairments	0	0	638,000	0
Total restructuring costs	$ 0	$ 0	$ 5,714,000	$ 0

X

- Definition

Amount of write-down of assets recognized in the income statement. Includes, but is not limited to, losses from tangible assets, intangible assets and goodwill.

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No definition available.

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- Definition

Amount of restructuring charges, remediation cost, and asset impairment loss.

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- Definition

Amount of expenses for special or contractual termination benefits provided to current employees involuntarily terminated under a benefit arrangement associated exit or disposal activities pursuant to an authorized plan. Excludes expenses related to one-time termination benefits, a discontinued operation or an asset retirement obligation.

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